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Aperture : Compound lens corrected for spherical aberration and coma . Also called Aplanat.
消球差透镜: 矫正球面销售量差和慧星差的复合式透镜.
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The X - ray compound lens is a novel optical device that focuses X - ray radiation by refraction effect.
射线聚焦组合透镜是一种利用折射效应对X射线辐射聚焦的新型元件.
复合透镜???
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